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Diffstat (limited to 'net/wireless/sme.c')
-rw-r--r--net/wireless/sme.c156
1 files changed, 93 insertions, 63 deletions
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index d4e0b4065cb..412161f7b08 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -103,44 +103,37 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
static int cfg80211_conn_do_work(struct wireless_dev *wdev)
{
struct cfg80211_registered_device *drv = wiphy_to_dev(wdev->wiphy);
- union {
- struct cfg80211_auth_request auth_req;
- struct cfg80211_assoc_request assoc_req;
- } u;
-
- memset(&u, 0, sizeof(u));
+ struct cfg80211_connect_params *params;
+ int err;
if (!wdev->conn)
return 0;
+ params = &wdev->conn->params;
+
switch (wdev->conn->state) {
case CFG80211_CONN_SCAN_AGAIN:
return cfg80211_conn_scan(wdev);
case CFG80211_CONN_AUTHENTICATE_NEXT:
- u.auth_req.chan = wdev->conn->params.channel;
- u.auth_req.peer_addr = wdev->conn->params.bssid;
- u.auth_req.ssid = wdev->conn->params.ssid;
- u.auth_req.ssid_len = wdev->conn->params.ssid_len;
- u.auth_req.auth_type = wdev->conn->params.auth_type;
- u.auth_req.ie = NULL;
- u.auth_req.ie_len = 0;
- wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
BUG_ON(!drv->ops->auth);
- return drv->ops->auth(wdev->wiphy, wdev->netdev, &u.auth_req);
+ wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
+ return cfg80211_mlme_auth(drv, wdev->netdev,
+ params->channel, params->auth_type,
+ params->bssid,
+ params->ssid, params->ssid_len,
+ NULL, 0);
case CFG80211_CONN_ASSOCIATE_NEXT:
- u.assoc_req.chan = wdev->conn->params.channel;
- u.assoc_req.peer_addr = wdev->conn->params.bssid;
- u.assoc_req.ssid = wdev->conn->params.ssid;
- u.assoc_req.ssid_len = wdev->conn->params.ssid_len;
- u.assoc_req.ie = wdev->conn->params.ie;
- u.assoc_req.ie_len = wdev->conn->params.ie_len;
- u.assoc_req.use_mfp = false;
- memcpy(&u.assoc_req.crypto, &wdev->conn->params.crypto,
- sizeof(u.assoc_req.crypto));
- wdev->conn->state = CFG80211_CONN_ASSOCIATING;
BUG_ON(!drv->ops->assoc);
- return drv->ops->assoc(wdev->wiphy, wdev->netdev,
- &u.assoc_req);
+ wdev->conn->state = CFG80211_CONN_ASSOCIATING;
+ err = cfg80211_mlme_assoc(drv, wdev->netdev,
+ params->channel, params->bssid,
+ params->ssid, params->ssid_len,
+ params->ie, params->ie_len,
+ false, &params->crypto);
+ if (err)
+ cfg80211_mlme_deauth(drv, wdev->netdev, params->bssid,
+ NULL, 0, WLAN_REASON_DEAUTH_LEAVING);
+ return err;
default:
return 0;
}
@@ -186,7 +179,6 @@ static bool cfg80211_get_conn_bss(struct wireless_dev *wdev)
wdev->conn->params.ssid_len,
WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
capa);
-
if (!bss)
return false;
@@ -264,9 +256,11 @@ void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len)
}
wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
schedule_work(&rdev->conn_work);
- } else if (status_code != WLAN_STATUS_SUCCESS)
+ } else if (status_code != WLAN_STATUS_SUCCESS) {
wdev->sme_state = CFG80211_SME_IDLE;
- else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
+ kfree(wdev->conn);
+ wdev->conn = NULL;
+ } else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
schedule_work(&rdev->conn_work);
@@ -330,10 +324,13 @@ static void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
wdev->current_bss = NULL;
}
+ if (wdev->conn)
+ wdev->conn->state = CFG80211_CONN_IDLE;
+
if (status == WLAN_STATUS_SUCCESS) {
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
wdev->ssid, wdev->ssid_len,
@@ -343,16 +340,15 @@ static void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
if (WARN_ON(!bss))
return;
- cfg80211_hold_bss(bss);
- wdev->current_bss = bss;
+ cfg80211_hold_bss(bss_from_pub(bss));
+ wdev->current_bss = bss_from_pub(bss);
wdev->sme_state = CFG80211_SME_CONNECTED;
} else {
wdev->sme_state = CFG80211_SME_IDLE;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
}
-
- if (wdev->conn)
- wdev->conn->state = CFG80211_CONN_IDLE;
}
void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
@@ -387,7 +383,7 @@ void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
}
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
wdev->current_bss = NULL;
bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
@@ -397,8 +393,8 @@ void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
if (WARN_ON(!bss))
return;
- cfg80211_hold_bss(bss);
- wdev->current_bss = bss;
+ cfg80211_hold_bss(bss_from_pub(bss));
+ wdev->current_bss = bss_from_pub(bss);
nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev, bssid,
req_ie, req_ie_len, resp_ie, resp_ie_len, gfp);
@@ -440,7 +436,7 @@ void __cfg80211_disconnected(struct net_device *dev, gfp_t gfp, u8 *ie,
if (wdev->current_bss) {
cfg80211_unhold_bss(wdev->current_bss);
- cfg80211_put_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
}
wdev->current_bss = NULL;
@@ -449,6 +445,8 @@ void __cfg80211_disconnected(struct net_device *dev, gfp_t gfp, u8 *ie,
if (wdev->conn) {
kfree(wdev->conn->ie);
wdev->conn->ie = NULL;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
}
nl80211_send_disconnected(wiphy_to_dev(wdev->wiphy), dev,
@@ -482,12 +480,12 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
if (!rdev->ops->auth || !rdev->ops->assoc)
return -EOPNOTSUPP;
- if (!wdev->conn) {
- wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
- if (!wdev->conn)
- return -ENOMEM;
- } else
- memset(wdev->conn, 0, sizeof(*wdev->conn));
+ if (WARN_ON(wdev->conn))
+ return -EINPROGRESS;
+
+ wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
+ if (!wdev->conn)
+ return -ENOMEM;
/*
* Copy all parameters, and treat explicitly IEs, BSSID, SSID.
@@ -502,8 +500,11 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
GFP_KERNEL);
wdev->conn->params.ie = wdev->conn->ie;
- if (!wdev->conn->ie)
+ if (!wdev->conn->ie) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
return -ENOMEM;
+ }
}
if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
@@ -543,8 +544,11 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
}
}
- if (err)
+ if (err) {
+ kfree(wdev->conn);
+ wdev->conn = NULL;
wdev->sme_state = CFG80211_SME_IDLE;
+ }
return err;
} else {
@@ -572,31 +576,27 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
return -EINVAL;
if (!rdev->ops->disconnect) {
- struct cfg80211_deauth_request deauth;
- u8 bssid[ETH_ALEN];
+ if (!rdev->ops->deauth)
+ return -EOPNOTSUPP;
- /* internal bug. */
- if (WARN_ON(!wdev->conn))
- return -EINVAL;
+ /* was it connected by userspace SME? */
+ if (!wdev->conn) {
+ cfg80211_mlme_down(rdev, dev);
+ return 0;
+ }
if (wdev->sme_state == CFG80211_SME_CONNECTING &&
(wdev->conn->state == CFG80211_CONN_SCANNING ||
wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) {
wdev->sme_state = CFG80211_SME_IDLE;
+ kfree(wdev->conn);
+ wdev->conn = NULL;
return 0;
}
- if (!rdev->ops->deauth)
- return -EOPNOTSUPP;
-
- memset(&deauth, 0, sizeof(deauth));
-
/* wdev->conn->params.bssid must be set if > SCANNING */
- memcpy(bssid, wdev->conn->params.bssid, ETH_ALEN);
- deauth.peer_addr = bssid;
- deauth.reason_code = reason;
-
- err = rdev->ops->deauth(&rdev->wiphy, dev, &deauth);
+ err = cfg80211_mlme_deauth(rdev, dev, wdev->conn->params.bssid,
+ NULL, 0, reason);
if (err)
return err;
} else {
@@ -614,3 +614,33 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
return 0;
}
+
+void cfg80211_sme_disassoc(struct net_device *dev, int idx)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ u8 bssid[ETH_ALEN];
+
+ if (!wdev->conn)
+ return;
+
+ if (wdev->conn->state == CFG80211_CONN_IDLE)
+ return;
+
+ /*
+ * Ok, so the association was made by this SME -- we don't
+ * want it any more so deauthenticate too.
+ */
+
+ if (!wdev->auth_bsses[idx])
+ return;
+
+ memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
+ if (cfg80211_mlme_deauth(rdev, dev, bssid,
+ NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
+ /* whatever -- assume gone anyway */
+ cfg80211_unhold_bss(wdev->auth_bsses[idx]);
+ cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);
+ wdev->auth_bsses[idx] = NULL;
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 00:34:04 +0000